150115402 has 4 divisors (see below), whose sum is σ = 225173106. Its totient is φ = 75057700.

The previous prime is 150115373. The next prime is 150115417. The reversal of 150115402 is 204511051.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 109014481 + 41100921 = 10441^2 + 6411^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 150115402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37528849 + ... + 37528852.

Almost surely, 2^150115402 is an apocalyptic number.

150115402 is a deficient number, since it is larger than the sum of its proper divisors (75057704).

150115402 is an equidigital number, since it uses as much as digits as its factorization.

150115402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75057703.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 150115402 is about 12252.1590750365. The cubic root of 150115402 is about 531.4655084675.

Adding to 150115402 its reverse (204511051), we get a palindrome (354626453).

The spelling of 150115402 in words is "one hundred fifty million, one hundred fifteen thousand, four hundred two".